big losses on stock markets overnight. >> indeed, catherine. europe and wall street sliding overnight. new york stocks tumbled on monday on growing concerns that greece's fiscal problems could spread to other european countries such as italy and spain. the dow jones industrial average lost more than 180 points at one stage, closing the day at 12,505, down 151 points from friday's finish. sell orders surged for a wide range of issues. earlier in the day, european stocks were down across the board. market sources say investors are speculating eu stress tests for regional lenders could reveal problems that are weighing down on italian banks. results will be announced later this week. italy's long-term bond prices have plummeted on the speculation. >>> now let's go check on tokyo shares after a considerable setback on wall street and continued concerns in europe. we go to ramin mellegard who is at the tokyo stock exchange. italy emerging as the next big story. >> very good morning to you, ai. we're really seeing that reflected in the markets here a